{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x55a53729656d3b0e9b4bcac9c5b9bbdb19066aa07487a1d5145df30205e829d1",
    "signature": "0x47fb035c11638cdc3ede2770d7f42cf2ab0537bece456b89f6e8f535932452e62ecd46a4988ccd86827b7601497fed8ad0181cea3462cb2a2a04b43a1a77a27c1c",
    "signer": "0xD08E735d78f9B1D9B553b1Da41a4209c791f639b",
    "userId": "51295028"
  }
}